Add Tyk API to Development

Squash

Co-Authored-By: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

Barter.vg is a website to trade your spare game serial codes. However, it also provides a lot of data about games, bundles and more.

This API is inactive.

resolve #1860

Co-authored-by: Marek Dano <marekdano@users.noreply.github.com>

as suggested, it is in private beta

Add OpenSky Network API to Transportation

Update url for "Salesfly PDF" API

Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

Description is now less than 100 characters

Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

PHP-Noise is a Noise-Background-Image-Generator.
The API is documented right under the form on the website. For more documentation, you can provide the help parameter to the API.

Remove Marijuana Strains, as it's dead.

Signed-off-by: ejbtrd <ejbtrd@gmail.com>

`url` : new domain https://docs.bhagavadgitaapi.in
`auth` : apiKey

Add arXiv API to Science & Math

Fix formatting: arXiv API to Science & Math

Fixed the spelling of the Psychonauts API name and URL

ExchangeRate-API now requires an apiKey